rssn 0.2.9

A comprehensive scientific computing library for Rust, aiming for feature parity with NumPy and SymPy.
Documentation 
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48

//! Bincode-based FFI API for electromagnetism functions.

use crate::ffi_apis::common::BincodeBuffer;
use crate::ffi_apis::common::from_bincode_buffer;
use crate::ffi_apis::common::to_bincode_buffer;
use crate::symbolic::core::Expr;
use crate::symbolic::electromagnetism;
use crate::symbolic::vector::Vector;

/// Calculates Lorentz force using Bincode.
#[unsafe(no_mangle)]
pub extern "C" fn rssn_bincode_lorentz_force(
    charge_buf: BincodeBuffer,
    e_field_buf: BincodeBuffer,
    velocity_buf: BincodeBuffer,
    b_field_buf: BincodeBuffer,
) -> BincodeBuffer {
    let charge: Option<Expr> = from_bincode_buffer(&charge_buf);

    let e_field: Option<Vector> = from_bincode_buffer(&e_field_buf);

    let velocity: Option<Vector> = from_bincode_buffer(&velocity_buf);

    let b_field: Option<Vector> = from_bincode_buffer(&b_field_buf);

    match (charge, e_field, velocity, b_field) {
        | (Some(q), Some(e), Some(v), Some(b)) => {
            to_bincode_buffer(&electromagnetism::lorentz_force(&q, &e, &v, &b))
        },
        | _ => BincodeBuffer::empty(),
    }
}

/// Calculates energy density using Bincode.
#[unsafe(no_mangle)]
pub extern "C" fn rssn_bincode_electromagnetic_energy_density(
    e_field_buf: BincodeBuffer,
    b_field_buf: BincodeBuffer,
) -> BincodeBuffer {
    let e_field: Option<Vector> = from_bincode_buffer(&e_field_buf);

    let b_field: Option<Vector> = from_bincode_buffer(&b_field_buf);

    match (e_field, b_field) {
        | (Some(e), Some(b)) => to_bincode_buffer(&electromagnetism::energy_density(&e, &b)),
        | _ => BincodeBuffer::empty(),
    }
}